ampulla vs noggin

ampulla

noun
  • A vessel for containing consecrated wine or oil. 

  • An Ancient Roman two-handled vessel. 

  • The spongiole of a root. 

  • The dilated end of a duct. 

noggin

noun
  • A small mug, cup or ladle; the contents of such a container. 

  • The head. 

  • A signalling molecule involved in embryo development, producing large heads at high concentrations. 

  • A small measure of spirits equivalent to a gill. 

How often have the words ampulla and noggin occurred in a corpus of books? (source: Google Ngram Viewer )